The study entitled "Anthropometric study of Adhah Sakha w.s.r. to Anguli Pramanadescribed in Brhattrayi" comprises of chapter entitled as introduction with aims and objectives, review of literature, methodology, observations and results, discussion, conclusion and summary. IntroductionInspiration and thought of the topic selection named angula pramana and pramana sarira has been mentioned. It includes concept of pramana sarira and its relevantsignificance in the contemporary sciences, need of the study, aims and objectives of the study, previous work done in this aspect and layout of the research. Review of literature: It includes the sub topic of historical review, ayurvedic review and modern review. Historical review: It includes the description of pramana sarira in the vedic and ancient literature. Ayurvedic review: It includes the detailed description of pramana sarira including description of mana, angula pramana, angula as a basic unit of measurement, its etymology, variousparameters regarding angula, description of pramana sariraregarding adhah sakha, its critical analysis in brhattrayi and its commentaries.